This story was published in UFO magazine in 2004 and has not appeared anywhere else since then, so it may well be just an invention of its author - a certain Solomon Naffert. However, the story is nevertheless very curious.
In the summer of 1968, in the North Vietnamese province of Lapthat, near the village of Donnyan, a group of Soviet specialists was working, studying the possibility of building a hydroelectric power station on the territory of a fraternal country. There were no strategic targets and large settlements nearby, and therefore American planes appeared in the sky quite rarely, which no one regretted.
On the night of August 12-13, the hydrologists were awakened by a low, heavy rumble coming from heaven. Deciding that it was a "flying fortress" - a strategic American bomber "B-52", people ran out of their tents and saw a strange object floating across the black, cloudy sky. Most of all, it resembled a faceted diamond emitting a greenish-blue light.
A few moments later, a fiery comet rushed to the object from somewhere on the ground. After she came into contact with the object, the brightest flash blinded everyone, and then a powerful shock wave knocked down the hydrologists to the ground, tore off the tents and scattered the equipment.
Fortunately, no one received serious damage, but the explosion (if it was an explosion) made an enormous impression. They even thought that a low-power nuclear charge was used. For several hours, neither the radio station nor the Spidola received anything but the crackle of static.
In the morning, the engineers managed to contact the central base and report the incident. They promised to transfer the information to the appropriate authorities. After restoring order in the camp, the people went to the village of Donnyan, which was five kilometers from the camp. Strange, but there was no destruction, and the residents believed that at night there was a thunderstorm nearby, and nothing more.
Two days later, half a kilometer from the camp, a black ball about three meters in diameter was found half-buried in the ground. The surface of the ball was completely black, the light falling on it was not reflected from the surface. In addition, the ball did not cast a shadow: the rays of the low evening sun skirted the strange object, falling on the tall grass behind it!
To the touch, the find seemed cool and a little slippery, as if doused with soapy water. The knife of the best Ural steel could not leave even the smallest scratch on the black surface.
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The specialists again contacted the central base and spoke in detail about the find. We received an answer pretty quickly: leaving all the cases aside, organize hidden security around the object and wait for a special group to come for it. They specifically warned that no one came to the ball or closer than twenty meters and that no one in any case tried to open it, damage it or even touch it.
The order, of course, was strictly followed: the whole group (five people) settled down twenty meters from the ball. While waiting, they wondered what it could be? The latest military development? Descent spacecraft? Soviet? American? Or some third party?
The coming night made the protection of the object meaningless - it was impossible to see the ball in the dark, but an order is an order. Having gathered in one place by a low, almost imperceptible fire, they began to rest.
No guests were expected: after sunset, the villagers did not leave their houses, and there could not be any outsiders loitering in the jungle in socialist Vietnam.
The invisible and silent ball nevertheless made itself felt. Everyone constantly looked around, looked into the darkness and could not get rid of the feeling that something alien and unkind was watching them. This often happens at night in the forest, be it the Russian oak grove, the Siberian taiga or the Vietnamese jungle: an alert organism gives alarm signals unaccountably, out of touch with real danger. So, at least, hydrologists convinced themselves.
One of the specialists, Boris Ivanov, later wrote in his diary:
Boris Ivanov was confident that their group had come across an alien probe, possibly shot down by Vietnamese air defense forces. Probably, the probe was able to self-repair and leave the Earth. Did the hydrologists become the object of his experiment, collecting, or were the aliens just hungry? Boris Ivanov prefers not to think about this.
